TPE (Thermoplastic Elastomer) is a thermoplastic elastomer material, with high strength, high resilience, injection molding processing characteristics, a wide range of applications, environmental protection, non-toxic safety, excellent colorability. tpe is also very widely used in daily life, the following plastic Bo to introduce the tpe material common misconceptions what?

　　1. TPE can perfectly replace PVC?

　　Compared with PVC, TPE does not contain halogen, does not contain o-phenyl plasticizer, does not contain heavy metals, more environmentally friendly non-toxic safety.

　　TPE has better low temperature resistance than PVC, and TPE is more comfortable and smooth to the touch than PVC, with better abrasion resistance and non-slip properties. These characteristics seem to give people reason to believe that TPE can perfectly replace PVC.

　　But in fact, some application industries, if there is no higher environmental testing requirements, non-potable water pipes, non-use bags, etc., can actually use PVC, because PVC is cheaper than TPE.

　　The actual situation is that, for price reasons, TPE in some industries to replace PVC, there is still a process.

　　In addition, from the processing aspect, PVC unique drip (micro injection) process, glue-lined process, is still TPE can not imagine (about glue-lined, with a model of Corten SEBS system TPE can be simple processing).

　　2. secondary injection molding (overmolding) bonding is not good, must be the material problem?

　　Cover glue is an important application of TPE, plastic Bo often encounter users consulting TPE cover glue sticky problem. Some users will be the first time to suspect that the material is the problem. Of course, it is possible that the material is the problem of bad adhesive, but secondly, it may also be due to the insufficient temperature of the customer's injection molding. Different TPE materials and different hard plastics, mold and product structure, etc., will be considered as the molding temperature setting factors.

　　3.Is there liquid TPE?

　　Some users do very soft products, or ready to do a new product, for the convenience of processing considerations, hope to have liquid TPE, direct glue filling curing molding. But in fact, liquid TPE is not available. TPE is a solid elastic particle at room temperature, usually requires high temperature heating and melting to have flow characteristics.

　　4. TPE is only a class of materials? The price is fixed?

　　Some users, as soon as they call, ask, how much is your TPE a ton. It seems that TPE is just one kind of material, and the performance is relatively fixed, the price is also relatively fixed. But in fact, TPE contains many types, such as TPU, TPV, TPEE, and TPR (TPE) based on SEBS and SBS substrates. There are many types of TPE, not a material, so naturally the price cannot be quoted freely.

　　In addition, by the way, most of the TPE usually refers to the SEBS-based modified elastomer TPE, which also has different hardness and physical properties, and the price should be evaluated according to customer requirements.

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